The 0302CS-18NXJR_ from Coilcraft is a RF Inductor with Inductance 0.018 uH, DC Resistance 0.35 Ohms, DC Current 390 mA, Self Resonant Frequency 6.03 GHz, Operating Temperature -40 to 125 Degree C. Tags: Ceramic Inductor, Chip Inductor. More details for 0302CS-18NXJR_ can be seen below.